Stymied about what to do about climate change? In a talk at TEDxChemungRiver Nov. 8, 2014, Cornell's Mike Hoffmann encourages us to become aware, accept the reality, and then act by raising our voices to address this grand challenge facing our generation and those that follow.

About This Series

A collection of TED and TEDx talks by Cornell faculty members and alumni, on topics ranging from communication and marine life to breakthroughs in neuroscience and robotics.